What Is Cross-selling: Definition, Meaning, Examples

Cross-selling

Cross-selling (often referred to as Ancillary Sales, Add-on Sales, or Attachment Selling) is the practice of making recommendations to a customer about related or complementary product(s) to a previously committed primary purchase. In the travel industry, this is often the sale of extras that enhance the essence of a journey, for instance, the sale of a rental car to a flight booking or a spa treatment to a hotel booking, in order to both increase the total transaction value and improve the guest’s overall experience.

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Cross-selling vs. Upselling

While both strategies are focused on increasing revenue, there is a difference in the direction of the sale:

  • Upselling (Vertical): Persuading the customer to purchase a superior product of the same kind. Example: Changing a guest’s room from a Standard Room ($100) to a Suite ($200).
  • Cross-selling (Horizontal): Persuading the customer to buy something in addition to it. Example: The guest retains the Standard Room ($100), but adds Airport Transfer (+$50) and Breakfast (+$20).

Dynamic Packaging as a Technical Engine

In modern-day travel tech, cross-selling is not usually manual. It is fueled by Dynamic Packaging engines. When an airline website asks “Do you need a hotel with your flight?”, it is not checking its own inventory. It is using an API connection to a third-party aggregator (like Expedia or Booking.com). The airline sends the dates of flights to the hotel partner through API in real-time. The system calculates a total price (Flight + Hotel) in milliseconds. Then, the airline makes a commission on the hotel component and does not need to operate even one hotel room.

Ancillary Revenue Cycle

Effective cross-selling is time-dependent. Travel marketers plot out these offers against the Mood of the Traveler:

  • Booking Path (Friction Phase): Keep it Simple. Offer necessary cross-sells such as Baggage or Insurance. Too many options here can cause the user to drop the cart.
  • Pre-Arrival (Anticipation Phase): Sent by email, 3 days before the trip. This is the prime time for experiential cross-sells such as Tours, Dining Reservations, or Room Upgrades.
  • In-Stay (Captive Phase): The use of the app or Wi-Fi landing page of hotels to sell Room Service or Late Check-out while the guest is physically on the property.

Frequently Asked Questions

Does cross-selling annoy customers?

It can if it is done poorly (Choice Overload). However, data shows that relevant cross-selling (e.g., offering a rental car when landing in a city with poor public transport) is perceived as service, not sales.

Who is the Merchant of Record for a Cross-Sell?

It depends. If an airline sells you travel insurance, the airline is usually just the agent. The insurance company is providing the actual insurance. If you need to make a claim, you call the insurance company, not the airline.

What is the Attachment Rate?

This is the key metric when it comes to cross-selling. If 100 people make a booking and 20 of those 100 decide to also purchase insurance, this would result in a 20% attachment rate. Revenue managers are always playing around with the price and positioning of the offer to increase this number.

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